There are 6 stadiums you'll need to play on as the weather/time variations are not requires.
Setup a 1v1 exhibition match with the stadium you want to play on selected and leave it 'No Bots' then in the Mutator settings set 'Max Score' to '1 Goal' then begin the match.
to auto join the teams and just accelerate sing forwards, do not boost as the ball wont go in
. Skip the replay and then exit to main menu. Setup another match and change the stadium.
The 6 stadiums you need to play in are:
• DFH Stadium
• Urban Central
• Beckwith Park• Utopia Coliseum
These two might not be needed as they were not in the original Rocket League on other platforms so do them last.